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AukeHoekstra Profile picture
@AukeHoekstra
Oct 1, 2020 • 4 tweets • 1 min read • Read on X
I have the feeling that this election will not be like others and that Americans don't grasp the enormity of this election.

EVERY MOVE that this president and his party can get away with will be used to CHEAT the majority out of a victory.

NOT every LEGAL move, but EVERY move.
Expect organised riots and intimidation at polling stations. Disqualifying/destroying mail-in ballots. Malfunctioning polling machines. Rows at certain polling stations. Misusing police. Legal loopholes. Online troll armies.

The works.

It's NOT going to be business as usual.
You saw in the last debate how this president behaves when everybody's looking. Imagine what he will do behind the screens.

I studied public administration and most dictatorships where democracies before something like this happened.
I honestly don't think that's hyperbole.
On a lighter note: this might be the only version of the presidential debate that's fun to watch.

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More from @AukeHoekstra

AukeHoekstra Profile picture
Jun 10
Just made a visualization for myself about the unprecedented growth in solar that I thought I might share.

From 1880 to 1950 all electricity came from fossil+hydro. Then nuclear briefly grew with market share increasing with up to 1% per year in 1985.

Now solar takes over. Image
I've described in more detail in a substack post:

There's more info on each picture there.aukehoekstra.substack.com/p/the-coming-s…
I made this picture because I think you forget what is happening when you look at total final energy. Renewables seem so tiny! Image
Read 8 tweets
AukeHoekstra Profile picture
Jun 9
I see this a lot:

Conservatives who *just know* that nuclear is better than solar and thus blame their favorite scapegoat *the government* for solar doing better.

But in reality it's the opposite: the market likes solar so much that not even the government can save nuclear.
I guess Andre's attention for me is due to my being irritated at his fact free diatribes of pseudo-scientific nonsense:


So now he sees reacting to me as a way to get attention?
And I'm reacting again, so maybe I'm being duped?
Anyhow...
Let's start with some quantifiable facts. (Things this conservative armchair energy philosopher is allergic to.)
First thing we notice is that solar and wind are clearly surpassing nuclear (though the new leadership of the department of energy denies it).
Image
Read 19 tweets
AukeHoekstra Profile picture
May 18
Many people think solar and wind won't be able to keep the grid stable because they lack "inertia".

I think solar, wind and batteries will do a BETTER job and I think you can explain it thus:
- the old grid is a record player
- the new grid a digital player
🧵 Image
If you play vinyl records, the rotating mass of the turntable is used to keep the speed steady. This leads some vinyl enthusiasts to seek more mass because that will keep things more steady.

This turntable by Excel audio attaches a separate mass. (Overkill but makes my point.) Image
In the same way the inertia in the rotors of current power plants helps the grid to keep a steady 50 Hz (in e.g. Europe) or 60 Hz (in e.g. the US) frequency.

These machines turn a heavy copper coil wound around a heavy iron core and this helps keep the grid frequency steady. Image
Read 21 tweets
AukeHoekstra Profile picture
Aug 13, 2024
Great to see more and more attention for flexible grid pricing.

We must say goodbye to the "copper plate" that offers free power everywhere and every time. It's hideously expensive and outdated.

What we need is smart flexibility.
🧵
The underlying reason is that the costs of different components of the energy system changed:

Some remained high (e.g. pylons, fossil & nuclear)

Some plummeted (e.g. solar, wind, batteries, EVs & inverters)

Some became possible at all (e.g. measuring & steering in real time)
So now we should make good use of these new, clean, abundant and affordable options, even if it means doing things a bit differently than before.

So what should we do different regarding grid congestion pricing?
Read 20 tweets
AukeHoekstra Profile picture
Jul 28, 2024
Some are angry about the "anti-Christian depiction of the last supper" at the Olympic Opening ceremony. (@elonmusk and @realDonaldTrump among others)

A Dutch art historian explains it's not the last supper but a Dutch painting of the Olympic gods.
And I explain what I loved.
🧵
Image
Image
Original Dutch thread here. I just translated it.


@WSchoonenberg shows that the "tableau vivant" (living painting) is depicting "The Feast of the Gods" by Jan van Bijlert, from 1635.
Image
The heathen Gods have gathered on mount Olympus for a feast. Sun god Apollo is recognizable by his halo, Bacchus (Dionysus) by the grapes, Neptune (Poseidon) by his trident, Diana (Artemis) by the moon, Venus (Aphrodite) by Cupid.


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Read 24 tweets
AukeHoekstra Profile picture
Jul 9, 2024
With new batteries solar and wind are not only faster and cleaner, but also cheaper.

I'm estimating:
$0.08/kWh for PV+batteries
$0.07/kWh for wind+batteries

@skorusARK gives a good overview of current wisdom, but strongly declining battery prices change EVERYTHING
Image
I've recently written about how I was surprised I missed the enormous consequences of price reductions in batteries.

LFP cells are now $50/kWh and last 10 000 cycles.
That's $0.005 per kWh.

Say we double that to pack the cells and you are at $0.01/kWh.aukehoekstra.substack.com/p/batteries-ho…
If you add batteries to solar PV, not all energy has to flow through batteries. But let's keep it at $0.01 and add that to the price of solar. That makes PV (and wind) SUPER cheap!

Batteries must be discounted more quickly you say?
Read 10 tweets

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